physics paper 1 equations

Kinetic energy

Kinetic energy

E_k= 1/2mv²

Gravitational potential energy

gpe=mgh

Power

P=E/t=w/t

Efficiency

Eff=useful____output/ total____input

Elastic potential energy

E_e=1/2ke²

Change in energy

∆E=mc∆θ

Charge

Q=It

Potential difference

V=IR

Power

P=IVp

Power

P=I²R

Energy

E=Pt

Energy (in an electrical circuit)

E=QV

Density

ρ=m/v

Specific latent heat

E=mL